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Finding the Fourth Proportional to 6,880.74, 10,346.01 and 6,339.45

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Solution

The fourth proportional to 6,880.74, 10,346.01 and 6,339.45 is: 9,532.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,880.74 : 10,346.01 = 6,339.45 : x
  2. Step 2: Convert to fraction form
    6,880.74/10,346.01 = 6,339.45/x
  3. Step 3: Cross multiply
    6,880.74x = 10,346.01 × 6,339.45
  4. Step 4: Simplify right side
    6,880.74x = 65,588,013.09
  5. Step 5: Solve for x
    x = 65,588,013.09/6,880.74
  6. Step 6: Final answer
    x = 9,532.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.